图像处理程序，可以实现图像平移，旋转，放大，FFT，DCT，sobel变换，laplace变换，灰度拉伸，直方图统计、均衡，对比度增强-Image processing program, image translation, rotation, zoom FFT, DCT, sobel transform, laplace transform, gray stretch, histogram equalization, contrast enhancement, etc.